Trek announced its new Roscoe Gen 4 hardtail mountain bikes made from Alpha Platinum Aluminum, which has lower emissions than prior aluminum types. Starting in October 2025, nearly all aluminum bike frames from Trek, Electra, and Diamant will utilize aluminum sourced from renewable energy facilities or incorporate recycled materials. This initiative affects more than one million bikes annually and represents Trek's largest carbon-reduction effort. Trek has acknowledged that reducing emissions involves addressing challenges in its supply chain, with aluminum being the largest contributor to overall greenhouse gas emissions.
Trek's new Roscoe Gen 4 hardtail mountain bikes utilize Alpha Platinum Aluminum, claiming this alloy has lower emissions compared to previous aluminum used.
Starting in October 2025, Trek plans to use aluminum for nearly all its bike frames sourced from renewable energy-powered facilities or that include recycled materials.
The switch to low-emission aluminum is Trek's largest carbon-reduction initiative, potentially impacting over one million bikes annually.
Trek's sustainability goals involve numerous quantifiable emissions reduction initiatives, with aluminum identified as the largest contributor to overall greenhouse gas emissions.
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